This number is a prime.

+ The 17th prime number ending in 17 is 5417. Note that the concatenation in order of all these primes, ending in 17, i.e., from 17 to 5417 is also prime. [Loungrides]

+ 5417^2 and 5418^2 are the smallest pair of consecutive squares with exactly 666 primes between them. [Gaydos]

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